Display screen with an icon



FIG. 1 is a front view of a first embodiment of a display screen with an icon showing the new design; and,

FIG. 2 is a front view of a second embodiment of a display screen with an icon showing the new design.

The broken lines of uneven length show the display screen and form no part of the claimed design. The broken lines of even length depict portions of the display screen with graphical user interface that forms no part of the claim design. 

CLAIM The ornamental design for a display screen with an icon, as shown and described. 